Biswing Pressure Washer Pump Replacement – 3400 PSI, 2.5 GPM, 3/4-inch Shaft (Cold Water)

Upgrade Your Cleaning Power with a Reliable Replacement Pump

Refresh your cold water gas-powered washer with the Biswing pressure washer pump. Engineered for strong performance, this replacement unit tops out at 3400 PSI and delivers up to 2.5 GPM, making it a capable choice for many standard outdoor cleaning tasks. It’s designed to fit most horizontal 3/4-inch shaft gas engines, providing a practical option when you need a trusted pump that can handle routine scrubbing, driveway washes, and exterior surfaces.

Built for compatibility, the pump uses a standard 3/4-inch NH garden hose inlet and an M22 high-pressure outlet. This arrangement helps you connect to common hoses and accessories without added adapters, while maintaining solid pressure delivery. The unit also caters to well-known brands such as Simpson, Ryobi, and Honda, making it a sensible replacement for many existing machines.

Durable Build and Safety Designed for Real-World Cleaning

The pump body is constructed from aluminum alloy, offering good wear resistance and a longer expected life for daily tasks. A built-in thermal relief valve helps manage heat buildup, so you can tackle stubborn cleaning projects with less concern about overheating during extended use.

Key features include a 3/4-inch NH garden hose inlet, a threaded M22 outlet, and a compact, one-piece design that supports steady, reliable water flow. The package is intended for cold-water use and includes practical extras to simplify replacement and setup.

What’s in the Box and Practical Use

• 1x Replacement pump for cold-water gas washers
• 1x Detergent hose for soap application during cleaning
• 2x Shaft keys to secure mounting
• 4x Bolts and 4x flat pads for installation

Whether reviving an older unit or upgrading a malfunctioning pump, this Biswing model offers a tangible option for maintaining cleaning routines without overpromising results. Real-world benefits may include smoother operation, consistent pressure, and straightforward compatibility with common hoses and brands.

Note: This pump is intended for cold-water use and requires proper matching to your engine and fittings. Always follow the user manual for a secure, efficient setup.